Color
#57cbb8
#57cbb8rgb(87, 203, 184)hsl(170, 53%, 57%)oklch(0.77 0.109 180.9)Colors that go with #57cbb8
Charcoal, Blue and Crimson lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #57cbb8: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #57cbb8, as the accent.
Crimson #dc143c
shippedCrimson is paired with #57cbb8 in 5 real palettes, including Tiffany & Co.'s brand system and Riot Games's brand system, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #57cbb8: 4 real palettes, including Salesforce's brand system and Astro's brand system, as the lead colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #57cbb8 in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour.
Sandy Brown #f4a460
triadicshippedSandy Brown completes a triad with #57cbb8 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Slate Gray #708090
shipped8 real palettes, including Ledger Dark and Still Water put Slate Gray beside #57cbb8, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #57cbb8 in 23 real palettes, including Crayon Box and Resort, as the text colour against it.
Real palettes that use #57cbb8
Tints & shades
Harmonies
Contrast
| #57cbb8 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.97:1 | fail | fail | fail | |
Aaon black | 10.64:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #57cbb8 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Point any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #57cbb8 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/57cbb8-a2bebd-d459a9-1f292d-e9f1ec?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md